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51问答网 > 贴片二极管在选的时候选电流越高的越好吗？

贴片二极管在选的时候选电流越高的越好吗？

2025-03-16 15:48:59

推荐回答（1个）

回答1：

这是肯定的。而且1安的管子最多用到0.5安，否则工作时管子温度很高。
你可以计算。1安，管子压降大约0.8-1V 管子耗散的功率就是接近1W 。你可以再看看你的贴片规格的允许的功率是多大。
至少1W的电阻体积差不多黄豆大。

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